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Re: [Xen-users] Multiple Serial Port Passthrough in HVM domU

To: "Trolle Selander" <trolle.selander@xxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Multiple Serial Port Passthrough in HVM domU
From: "Nick Couchman" <Nick.Couchman@xxxxxxxxx>
Date: Mon, 07 Jun 2010 12:43:04 -0600
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> 
> Thanks for the hint - I did this, but I'm wondering if there's a limitation 
> on the number of serial ports?  The Qemu man page, from the most recent 
> version of Qemu, indicates that a maximum of 4 serial devices can be used.  
> However, Windows in my Xen domU only sees two of the four devices that I've 
> attempted to pass through, so I'm wondering if the qemu-dm version included 
> with Xen 4 only supports 2??
> 

I decided I'm just going to bite the bullet and go out and purchase the CPUs 
for these machines that support VTd.  Stupid of me, anyway - should have done 
my research to begin with.

-Nick



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